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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*<em class="jxr_comment">-</em></em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright (c) 2009-2010, Oleg Estekhin</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * All rights reserved.</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * Redistribution and use in source and binary forms, with or without</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * modification, are permitted provided that the following conditions are met:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *  * Redistributions of source code must retain the above copyright notice,</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *    this list of conditions and the following disclaimer.</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *  * Redistributions in binary form must reproduce the above copyright</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> *    notice, this list of conditions and the following disclaimer in</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> *    the documentation and/or other materials provided with the distribution.</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> *  * Neither the names of the copyright holders nor the names of their</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> *    contributors may be used to endorse or promote products derived</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> *    from this software without specific prior written permission.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <em class="jxr_comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR</em>
<a class="jxr_linenumber" name="21" href="#21">21</a>  <em class="jxr_comment"> * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</em>
<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR</em>
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_comment"> * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_comment"> * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_comment"> * DAMAGE.</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">package</strong> oe.math.complex;
<a class="jxr_linenumber" name="31" href="#31">31</a>  
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.util.Deque;
<a class="jxr_linenumber" name="33" href="#33">33</a>  
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> An expression component that represents a complex constant. */</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../oe/math/complex/ComplexComponent.html">ComplexComponent</a> <strong class="jxr_keyword">extends</strong> <a href="../../../oe/math/complex/ExpressionComponent.html">ExpressionComponent</a> {
<a class="jxr_linenumber" name="36" href="#36">36</a>  
<a class="jxr_linenumber" name="37" href="#37">37</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../oe/math/complex/Complex.html">Complex</a> value;
<a class="jxr_linenumber" name="38" href="#38">38</a>  
<a class="jxr_linenumber" name="39" href="#39">39</a>  
<a class="jxr_linenumber" name="40" href="#40">40</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment">     * Creates a new {@code ComplexComponent} object.</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment">     * @param value the complex value</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if {@code value} is {@code null}</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>      <a href="../../../oe/math/complex/ComplexComponent.html">ComplexComponent</a>( Complex value ) {
<a class="jxr_linenumber" name="48" href="#48">48</a>          <strong class="jxr_keyword">super</strong>( Type.COMPLEX, Associativity.LEFT, Integer.MAX_VALUE, 0, 1 );
<a class="jxr_linenumber" name="49" href="#49">49</a>          <strong class="jxr_keyword">if</strong> ( value == <strong class="jxr_keyword">null</strong> ) {
<a class="jxr_linenumber" name="50" href="#50">50</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( <span class="jxr_string">"value is null"</span> );
<a class="jxr_linenumber" name="51" href="#51">51</a>          }
<a class="jxr_linenumber" name="52" href="#52">52</a>          <strong class="jxr_keyword">this</strong>.value = value;
<a class="jxr_linenumber" name="53" href="#53">53</a>      }
<a class="jxr_linenumber" name="54" href="#54">54</a>  
<a class="jxr_linenumber" name="55" href="#55">55</a>  
<a class="jxr_linenumber" name="56" href="#56">56</a>      <strong class="jxr_keyword">public</strong> <a href="../../../oe/math/complex/Complex.html">Complex</a> getValue() {
<a class="jxr_linenumber" name="57" href="#57">57</a>          <strong class="jxr_keyword">return</strong> value;
<a class="jxr_linenumber" name="58" href="#58">58</a>      }
<a class="jxr_linenumber" name="59" href="#59">59</a>  
<a class="jxr_linenumber" name="60" href="#60">60</a>  
<a class="jxr_linenumber" name="61" href="#61">61</a>      @Override
<a class="jxr_linenumber" name="62" href="#62">62</a>      <strong class="jxr_keyword">public</strong> String getInfixSymbol() {
<a class="jxr_linenumber" name="63" href="#63">63</a>          <strong class="jxr_keyword">return</strong> value.toString();
<a class="jxr_linenumber" name="64" href="#64">64</a>      }
<a class="jxr_linenumber" name="65" href="#65">65</a>  
<a class="jxr_linenumber" name="66" href="#66">66</a>      @Override
<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">public</strong> String getPostfixSymbol() {
<a class="jxr_linenumber" name="68" href="#68">68</a>          <strong class="jxr_keyword">return</strong> value.toString();
<a class="jxr_linenumber" name="69" href="#69">69</a>      }
<a class="jxr_linenumber" name="70" href="#70">70</a>  
<a class="jxr_linenumber" name="71" href="#71">71</a>  
<a class="jxr_linenumber" name="72" href="#72">72</a>      @Override
<a class="jxr_linenumber" name="73" href="#73">73</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> calculate( Deque&lt;Complex&gt; stack, CalculationContext context ) {
<a class="jxr_linenumber" name="74" href="#74">74</a>          stack.push( value );
<a class="jxr_linenumber" name="75" href="#75">75</a>      }
<a class="jxr_linenumber" name="76" href="#76">76</a>  
<a class="jxr_linenumber" name="77" href="#77">77</a>      @Override
<a class="jxr_linenumber" name="78" href="#78">78</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> format( Deque&lt;FormatToken&gt; stack, FormatContext context ) {
<a class="jxr_linenumber" name="79" href="#79">79</a>          <a href="../../../oe/math/complex/Associativity.html">Associativity</a> a;
<a class="jxr_linenumber" name="80" href="#80">80</a>          <strong class="jxr_keyword">int</strong> p;
<a class="jxr_linenumber" name="81" href="#81">81</a>          <strong class="jxr_keyword">if</strong> ( value.hasRealPart() ) {
<a class="jxr_linenumber" name="82" href="#82">82</a>              <strong class="jxr_keyword">if</strong> ( value.hasImaginaryPart() ) {
<a class="jxr_linenumber" name="83" href="#83">83</a>                  a = FunctionComponents.ADD.getAssociativity();
<a class="jxr_linenumber" name="84" href="#84">84</a>                  p = Integer.MIN_VALUE; <em class="jxr_comment">// forcing parentheses around complex value</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="86" href="#86">86</a>                  <strong class="jxr_keyword">if</strong> ( Double.compare( value.getRe(), 0.0 ) &lt; 0 ) {
<a class="jxr_linenumber" name="87" href="#87">87</a>                      a = FunctionComponents.NEGATE.getAssociativity();
<a class="jxr_linenumber" name="88" href="#88">88</a>                      p = FunctionComponents.NEGATE.getPrecedence();
<a class="jxr_linenumber" name="89" href="#89">89</a>                  } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="90" href="#90">90</a>                      a = associativity;
<a class="jxr_linenumber" name="91" href="#91">91</a>                      p = precedence;
<a class="jxr_linenumber" name="92" href="#92">92</a>                  }
<a class="jxr_linenumber" name="93" href="#93">93</a>              }
<a class="jxr_linenumber" name="94" href="#94">94</a>          } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="95" href="#95">95</a>              <em class="jxr_comment">// assert value.hasImaginaryPart();</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>              <strong class="jxr_keyword">if</strong> ( Double.compare( value.getIm(), 0.0 ) &lt; 0 ) {
<a class="jxr_linenumber" name="97" href="#97">97</a>                  a = FunctionComponents.NEGATE.getAssociativity();
<a class="jxr_linenumber" name="98" href="#98">98</a>                  p = FunctionComponents.NEGATE.getPrecedence();
<a class="jxr_linenumber" name="99" href="#99">99</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="100" href="#100">100</a>                 a = associativity;
<a class="jxr_linenumber" name="101" href="#101">101</a>                 p = precedence;
<a class="jxr_linenumber" name="102" href="#102">102</a>             }
<a class="jxr_linenumber" name="103" href="#103">103</a>         }
<a class="jxr_linenumber" name="104" href="#104">104</a>         stack.push( <strong class="jxr_keyword">new</strong> FormatToken( context.getComplexFormat().format( value ), a, p ) );
<a class="jxr_linenumber" name="105" href="#105">105</a>     }
<a class="jxr_linenumber" name="106" href="#106">106</a> 
<a class="jxr_linenumber" name="107" href="#107">107</a>     @Override
<a class="jxr_linenumber" name="108" href="#108">108</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> parse( Deque&lt;ExpressionComponent&gt; stack, ExpressionBuilder output, ParseContext context ) {
<a class="jxr_linenumber" name="109" href="#109">109</a>         <a href="../../../oe/math/complex/ExpressionComponent.html">Type</a> previousType = context.getPreviousType();
<a class="jxr_linenumber" name="110" href="#110">110</a>         <strong class="jxr_keyword">if</strong> ( previousType == Type.LEFT_PARENTHESIS || previousType == Type.OPERATOR ) {
<a class="jxr_linenumber" name="111" href="#111">111</a>             output.append( <strong class="jxr_keyword">this</strong> );
<a class="jxr_linenumber" name="112" href="#112">112</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="113" href="#113">113</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException( type + <span class="jxr_string">" follows "</span> + previousType );
<a class="jxr_linenumber" name="114" href="#114">114</a>         }
<a class="jxr_linenumber" name="115" href="#115">115</a>     }
<a class="jxr_linenumber" name="116" href="#116">116</a> 
<a class="jxr_linenumber" name="117" href="#117">117</a> 
<a class="jxr_linenumber" name="118" href="#118">118</a>     @Override
<a class="jxr_linenumber" name="119" href="#119">119</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode() {
<a class="jxr_linenumber" name="120" href="#120">120</a>         <strong class="jxr_keyword">return</strong> value.hashCode();
<a class="jxr_linenumber" name="121" href="#121">121</a>     }
<a class="jxr_linenumber" name="122" href="#122">122</a> 
<a class="jxr_linenumber" name="123" href="#123">123</a>     @Override
<a class="jxr_linenumber" name="124" href="#124">124</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals( Object obj ) {
<a class="jxr_linenumber" name="125" href="#125">125</a>         <strong class="jxr_keyword">if</strong> ( <strong class="jxr_keyword">this</strong> == obj ) {
<a class="jxr_linenumber" name="126" href="#126">126</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="127" href="#127">127</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> ( obj instanceof ComplexComponent ) {
<a class="jxr_linenumber" name="128" href="#128">128</a>             <a href="../../../oe/math/complex/ComplexComponent.html">ComplexComponent</a> component = ( ComplexComponent ) obj;
<a class="jxr_linenumber" name="129" href="#129">129</a>             <strong class="jxr_keyword">return</strong> value.equals( component.value );
<a class="jxr_linenumber" name="130" href="#130">130</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="131" href="#131">131</a>             <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="132" href="#132">132</a>         }
<a class="jxr_linenumber" name="133" href="#133">133</a>     }
<a class="jxr_linenumber" name="134" href="#134">134</a> 
<a class="jxr_linenumber" name="135" href="#135">135</a>     @Override
<a class="jxr_linenumber" name="136" href="#136">136</a>     <strong class="jxr_keyword">public</strong> String toString() {
<a class="jxr_linenumber" name="137" href="#137">137</a>         <strong class="jxr_keyword">return</strong> value.toString();
<a class="jxr_linenumber" name="138" href="#138">138</a>     }
<a class="jxr_linenumber" name="139" href="#139">139</a> 
<a class="jxr_linenumber" name="140" href="#140">140</a> }
</pre>
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